Change in coreboot[master]: mb/google/guybrush: Make GPIO_69 default for SD_AUX_RESET_L

[Karthik Ramasubramanian (Code Review)]

Attention is currently required from: Kevin Chiu, Raul Rangel, Rob Barnes.
Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59053 )

Change subject: mb/google/guybrush: Make GPIO_69 default for SD_AUX_RESET_L
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Patch Set 2:

(2 comments)

File src/mainboard/google/guybrush/variants/guybrush/gpio.c:

https://review.coreboot.org/c/coreboot/+/59053/comment/086825d1_4b78028c 
PS2, Line 57: /* This table is used by guybrush variant with board version >= 2. */
            : static const struct soc_amd_gpio bid2_pcie_gpio_table[] = {
            : };
            : 
Nit: Empty table can be removed and NULL can be returned for bid >= 2.

File src/mainboard/google/guybrush/variants/nipperkin/gpio.c:

https://review.coreboot.org/c/coreboot/+/59053/comment/c0f26e23_affb9d6e 
PS2, Line 51: PAD_NC(GPIO_69),
Can be removed as well and then bid1_override_pcie_gpio_table can be consolidated with bid2_override_pcie_gpio_table.